Cisco TelePresence System Codec C90 and Profile 65” Dual using C90 | Administrator guide |
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Advanced configuration
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Audio Input Line [1..4] Channel
Define whether the Audio Line input is a mono signal or part of a multichannel signal.
Requires user role: ADMIN
Value space: <Left/Right/Mono>
Left: The Audio Line input signal is the left channel of a stereo signal.
Right: The Audio Line input signal is the right channel of a stereo signal.
Mono: The Audio Line input signal is a mono signal.
Example: Audio Input 1 Channel: Left
Audio Input Microphone [1..8] EchoControl
Mode
The echo canceller continuously adjusts itself to the audio characteristics of the room and compensate for any changes it detects in the audio environment. If the changes in the audio conditions are very significant the echo canceller may take a second or two to
Requires user role: ADMIN
Value space: <On/Off>
On: Echo Control is normally set to On to prevent the far end from hearing their own audio. Once selected, echo cancellation is active at all times.
Off:Echo Control should be switched Off if external echo cancellation or playback equipment is used.
Audio Input Line [1..4] Level
Define the audio level of the Line input connector, in steps of 1dB.
See the Audio Level tables in the Physical Interfaces Guide for the codec for a complete overview of the menu values represented in dB.
Requires user role: ADMIN
Value space: <0..24>
Range: Select a value from 0 to 24dB.
Example: Audio Input Line 1 Level: 10
Audio Input Line [1..4] LoopSuppression
The loop suppression functionality detects whether a delayed signal loop is present from an audio Line output to an audio Line input on the codec. If a loop is detected the unwanted feedback is suppressed.
NOTE: Only loops between line output 3 and line input 3, and between line output 4 and line input 4 are suppressible.
Requires user role: ADMIN
Value space: <On/Off>
On: Activate Loop Suppression.
Off:Deactivate Loop Suppression.
Example: Audio Input Line 3 LoopSuppression: On
Example: Audio Input Microphone 1 EchoControl Mode: On
Audio Input Microphone [1..8] EchoControl
NoiseReduction
The system has a
Requires user role: ADMIN
Value space: <On/Off>
On: The Noise Reduction should be enabled in the presence of low frequency noise.
Off:Turn off the Noise Reduction.
Example: Audio Input Microphone 1 EchoControl NoiseReduction: On
Audio Input Microphone [1..8] EchoControl
Dereverberation
The system has
Requires user role: ADMIN
Value space: <On/Off>
On: Turn on the dereverberation.
Off:Turn off the dereverberation.
Example: Audio Input Microphone 1 EchoControl Dereverberation: On
Audio Input Line [1..4] Mode
Set the audio input line mode.
Requires user role: ADMIN
Value space: <On/Off>
On: Enable the Audio Line input.
Off:Disable the Audio Line input.
Example: Audio Input Line 1 Mode: On
Audio Input Microphone [1..8] Equalizer ID
Select the audio input microphone equalizer ID.
Requires user role: ADMIN
Value space: <1..14>
Range: Select Equalizer ID 1 to 14.
Example: Audio Input Microphone 1 Equalizer ID: 1
D14635.05 Profile C90 and Codec C90 Administrator Guide TC4.1, February 2011. | 34 | www.cisco.com |
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